Closure for containers

Details Closure for containers Closure for containers

B - Operations, Transporting

65

D

206/45

B65D 41/04 (2006.01)

Patent

CA 1038806

ABSTRACT OF THE DISCLOSURE A screw-type cap which has internal threading for fitting onto a container having external threading is disclosed. The cap is provided with a stopper which projects into and seals the opening of a container when the cap is positioned on the con- tainer, and at least one bead-like enlargement is provided on the threading of the cap and/or container in the region of the beginning of thread commencement. When used with containers filled with pressurized contents this arrangement prevents a sudden blowing away of the cap when it is loosened for the ar- rangement enables the pressure to be substantially diminished before the cap becomes mechanically free from the container.

223789

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